Tire leakage detection method for central tire inflation system

Details Tire leakage detection method for central tire inflation system Tire leakage detection method for central tire inflation system

B - Operations, Transporting

60

C

341/39

B60C 23/00 (2006.01)

Patent

CA 1312364

ABSTRACT OF THE DISCLOSURE A method for sensing and reacting to conditions indicative of leakage in a tire, the pressurization of which is measured and controlled by a CTIS. The drawbacks of the prior art are minimized or eliminated by the provision of a CTIS control system having a method for detecting a leaking/damaged tire and/or a malfunctioning wheel and valve which fails to close at completion of a tire pressure measurement operation, and for taking corrective action, if necessary. This is accomplished by causing the system to take a single, confirming pressure measurement about thirty seconds after completion of a pressure measurement or adjustment operation. If a pressure decrease is sensed, a possible leakage condition is implied and corrected by means of inflation. Upon successfully reaching desired tire pressure, the period between automatic pressure sensing/adjustments is considerably shortened. The system will maintain this mode indefinitely until such condition is corrected. By way of example, the period may be shortened to thirty seconds from fifteen to thirty minutes.

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